AEG
Short Circuit or Overcurrent on Start-Up
Microwave trips the household circuit breaker or blows fuse when starting.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Shorted high-voltage capacitor, Shorted mains filter, Faulty door switch causing short, Damaged power cord
How to Fix / Troubleshooting
Safety warning: Repeatedly resetting a tripping breaker is dangerous. Unplug the microwave and do not use it until inspected.
- Step 1 – Check power cord: Inspect the AEG microwave's mains cable for cuts, burns, or crushed sections. Replace if damaged.
- Step 2 – Try another outlet: Plug into a different, properly rated outlet to rule out wiring issues in the socket.
- Step 3 – Internal inspection (technician): A technician should test the mains filter, door switches, and high-voltage capacitor for shorts and replace any faulty components.
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Repair Difficulty
Professional Required
5/5
Required Part
Mains Filter Board
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